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Motherboard LED on, but PC won't turn on?

Motherboard has power, but PC won't turn on.So for the past 2-3 weeks, my PC has not been powering on. At first, this was only occasional and did not happen every day. But now, my PC has power to the mobo and won't turn on when I push the on button on my case. Rarely, if I keep the motherboard powered, the PC will just turn on by itself at...

Hardware & Devices

How to turn on WiFi adapter from command line / How to turn on hotspotHi
I have configured ad-hoc network for internet sharing from my PC. Normally I start it by
netsh wlan start hostednetwork
As I noticed the hotspot is automatically turned off when I turn off WiFi adapter. So I have two questions:
How do I turn on WiFi by command line, so that I can control...

Network & Sharing

How to turn on PSU without motherboard?How can I turn on an ATX-PIV 400WATT power supply without connecting it to a motherboard? I tried connecting the green cable (PS-ON) to several black cables (COM/GRD).
- This model doesn't have a switch.

Hardware & Devices

Computer doesn't even turn on BIOS! Afraid motherboard is dead!Hi, my mothers laptop (HP-2133 *Large Battery*) just stopped working.
There have happened a couple of things, so I'll tell it one by one:
- My mother turned on (From hibernation) her laptop one day, and the screen was green.
:My thoughts: I thought that it might be the graphics card that had...